Samut Prakan, also known as Pak Nam, is located 29 kilometres south of Bangkok, around the area where the Chao Phraya River flows into the Gulf of Thailand. It is a town of the Ayutthaya period. Samut Prakan is home to countless historical and cultural sites. It occupies an area of 1,004 square kilometres and is administratively divided into 5 districts (Amphoes) and 1 sub-district (Ging Amphoe); Amphoe Muang Samut Prakan, Amphoe Phra Pradaeng, Amphoe Bang Phli, Amphoe Bang Bo, Amphoe Phra Sumut Chedi, and Ging Amphoe Bang Sao Thong.